Lise Tarih Ders Notu is a free Android application developed by MTT. It is an educational app that provides a complete study guide for 9th-grade students. The app covers all the topics included in the 9th-grade history textbook and is designed to help students prepare for the YGS and LYS exams.

The app is a comprehensive study guide that covers various topics such as the history of civilizations, the emergence of the first civilizations, the first Turkish states, Islamic history and civilization, Turkish-Islamic states, and the history of Turkey. The app is an excellent source of information for students who want to learn about Turkish history from the beginning to the present day. The app is easy to use and provides a user-friendly interface, making it accessible to everyone.